Bug 12182 - startup crash on 24-core x86-64
Summary: startup crash on 24-core x86-64
Status: RESOLVED FIXED
Alias: None
Product: systemtap
Classification: Unclassified
Component: runtime (show other bugs)
Version: unspecified
: P2 normal
Target Milestone: ---
Assignee: Unassigned
URL:
Keywords:
Depends on:
Blocks: 11179
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Reported: 2010-11-02 18:48 UTC by Frank Ch. Eigler
Modified: 2010-11-03 03:38 UTC (History)
1 user (show)

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Description Frank Ch. Eigler 2010-11-02 18:48:18 UTC 
The timekeeping subsystem has had some known problems (bug #10651).
This one reliably hits a new larger server:

BUG: scheduling while atomic: stapio/16908/0x10000100
Modules linked in: stap_5032a4d55b1c8bc0d09b556f3698504d_1081 uprobes [...]

 Pid: 16908, comm: stapio Not tainted 2.6.35.6-48.fc14.x86_64 #1 /ProLiant DL180 G6  
 RIP: 0010:[<ffffffff81022d83>] 
 RSP: 0018:ffff880913c37d38  EFLAGS: 00000296
 RAX: 0000000000000100 RBX: ffff880913c37d38 RCX: 0000000000000018
 RDX: 0000000000000018 RSI: 0000000000000100 RDI: 0000000000000296
 RBP: ffffffff8100a68e R08: 0000000000000100 R09: ffffffff81b81f80
 R10: 0000000000000000 R11: 00000000000000e3 R12: ffff880100000e00
 R13: ffffffff810da18c R14: ffff880913c37da0 R15: 00007f4fa5a7d9d0
 FS:  00007f4fa627f720(0000) GS:ffff8800020e0000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
 CR2: 00007f4fa5a7cfd8 CR3: 0000000913968000 CR4: 00000000000006e0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
 Process stapio (pid: 16908, threadinfo ffff880913c36000, task ffff8809134345c0)

 Call Trace:
  [<ffffffff81022f39>] ? default_send_IPI_mask_allbutself_phys+0x77/0x86
  [<ffffffff810263ac>] ? physflat_send_IPI_allbutself+0x17/0x19
  [<ffffffff81021816>] ? native_send_call_func_ipi+0x76/0x96
  [<ffffffff81077b2b>] ? smp_call_function_many+0x198/0x1b9
  [<ffffffffa06c2fbb>] ? __stp_init_time+0x0/0x97 [stap_5032a4d55b1c8bc0d09b556f3698504d_10818]
  [<ffffffff81077b6e>] ? smp_call_function+0x22/0x26
  [<ffffffff810532cf>] ? on_each_cpu+0x1b/0x38
  [<ffffffffa06c7865>] ? _stp_ctl_write_cmd+0x233/0xc05 [stap_5032a4d55b1c8bc0d09b556f3698504d_10818]
  [<ffffffff811e37ca>] ? selinux_file_permission+0x5a/0xb9
  [<ffffffff8104cda8>] ? do_fork+0x291/0x352
  [<ffffffff811dc1f1>] ? security_file_permission+0x16/0x18
  [<ffffffff81117004>] ? vfs_write+0xac/0x100
  [<ffffffff8111720d>] ? sys_write+0x4a/0x6e
  [<ffffffff81009cf2>] ? system_call_fastpath+0x16/0x1b

[...]
 kernel BUG at kernel/timer.c:662!
 invalid opcode: 0000 [#1]
Comment 1 Josh Stone 2010-11-03 03:38:51 UTC 
Fixed by commit 3fd1c49